Against who? A non-trained out of shape drunk? against a criminal with a knife? against a pack of pissed frat boys? Football hooligans?

All of those, in extreme circumstances:

i was trying to get some information from people that encounter a lot of street violence, and have some knowledge about MA , and see if they have an opinion about some one's chances against the average brawler.

Incidentally, the two guys in the video are good representatives of the average brawler. Perhaps you can determine for yourself how effective boxing would be against them.

sweet justice!!! i actually saw it and forgot about it, she dropped him on the head! and those high hills are dangerous.
עשתה לו היפון סננוגי על הברכיים לא?
well i have no doubt that judo is very effective, i actually practiced it for a year, and dislocated my shoulder 3 times before switching to boxing and kickboxing.

It's hard to see from this angle, but yes, the consensus seems to say a drop Ippon-Seoi-Nage. If you're ever in TA and wanna do good judo, with no ego in a really good group, you're welcome to train where I train. Lebell can attest to the place's quality.

Also, how did you dislocate your shoulder 3 times in one year? Is it loose? is it like Mel Gibson in Lethal weapon where he freely pops it in and out?